Low stomach acid can lead to gas, infections, and other problems. Ways to increase stomach acid include taking hydrochloric acid supplements, eating more zinc-rich foods, and consuming ginger. Stomach ...
Biologist William K. Purves of Harvey Mudd College responds: Parietal cells in the mucosa, the inner cell layer of our digestive tract, secrete hydrochloric acid (HCl) into the stomach's lumen, or ...